body {
    font-family: 'Roboto', sans-serif;
}
main {
    min-height: calc(100vh - 365px);
}

/*** Bootstrap Overrides ***/
.bg-dark {
    background-color: #666 !important;
}

/*** Header ***/
.tmtrails-logo {
    height: 80px;
}
.hero-section {
    background-image: url('/assets/images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

.about-section {
    background-image: url('/assets/images/about-bg.png');
    background-size: cover;
    background-position: center;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}
.trails-section {

    min-height: 100vh;
    background-color: #DFE6EB;
}

.trails-container {

    background-image: url('/assets/images/trails-section.png');
    background-size: cover;
    background-position: center;
    min-height: 70vh;
    min-width: 80vw;

}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(36, 41, 55, 0.42); /* Adjust color and opacity */
    z-index: 2;
}

.hero-section .container {
    position: relative;
    z-index: 3;
}
/* Center nav items in mobile menu */
@media (max-width: 992px) {
    .navbar-nav {
        text-align: center;
    }
}

/*Header*/

.custom-header-bg {
    background-color: #242937;
}
.custom-header-padding {
    padding-left: 10vh;
    padding-right: 10vh;
}

.custom-header-bg .nav-link,
.custom-header-bg .navbar-brand {
    color: #fff !important;
}
/*** Footer ***/

.footer-section {
    background-color: #242937;
}


/*** Timeline Section ***/
.timeline-section { background-color: #242937; }
.timeline-section { overflow: visible; }

.timeline-cards { border-top: 1px dashed #82889ba1; padding-top: 1.5rem; }
.timeline-card { min-width: 320px; flex: 0 0 auto; }
.timeline-card img { height: 160px; object-fit: cover; border-radius: 4px; }
.timeline-card .card-body { padding-top: .75rem; }
.timeline-card .card-subtitle {
  font-size: 1.25rem;       /* larger */
  font-weight: 700;         /* bolder */
  color: rgba(255,255,255,0.98);
  margin-bottom: 0.35rem;
  line-height: 1.08;
}

.timeline-card .card-desc {
  font-size: 0.92rem;
  font-weight: 300;
  color: rgba(255,255,255,0.85);
  margin-bottom: 0.5rem;
}
.timeline-wrapper { position: relative; padding-top: 1rem; }

/* per-year group: each group positions its year on top of its first card */
.timeline-year-group {
  position: relative;
  padding-left: 160px;   /* space reserved for the year */
  display: flex;
  align-items: flex-start;
}

/* year styling scoped to group */
.timeline-year-group .timeline-year {
  position: absolute;
  left: 1rem;
  top: 0.25rem;
  font-size: 4.25rem;
  line-height: 1;
  z-index: 3;
  color: #ffffff;
  opacity: 0.95;
  pointer-events: none;
}

/* horizontal scroll wrapper */
.timeline-cards-wrapper {
  width: 100vw;                 /* make wrapper span the full viewport */
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;           /* center the 100vw breakout inside the page */
  margin-right: -50vw;
  padding-left: 160px;          /* reserve space so year sits over first card */
  padding-right: 1rem;
  padding-bottom: 1rem;
  box-sizing: border-box;

  overflow-x: auto;
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}
/* layout for the inline cards row */
.timeline-cards { gap: 1.5rem; }

/* card base for horizontal layout */
.timeline-card {
  min-width: 320px;
  flex: 0 0 320px;
}
.timeline-card .card-img-top { height: 160px; object-fit: cover; }

/* responsive tweaks */
@media (min-width: 768px) {
  /* keep previous 3-per-row where appropriate inside group if you prefer stacked rows */
  /* you can remove these if you want strict horizontal scrolling at all sizes */
  .timeline-card { min-width: 0; width: 33.333%; flex: 0 0 33.333%; }
}

@media (min-width: 992px) {
  .timeline-year-group { padding-left: 220px; }
  .timeline-year-group .timeline-year { left: 2rem; top: 0.9rem; font-size: 5rem; }
  .timeline-card { min-width: 360px; flex: 0 0 360px; }
  .timeline-card .card-img-top { height: 200px; }
  .timeline-card .card-subtitle {
    font-size: 1.25rem;
    font-weight: 700;
    color: rgba(255,255,255,0.98);
    margin-bottom: 0.35rem;
    line-height: 1.08;
  }
}